chrome.runtime.onMessage.addListener(
  function(request, sender, sendResponse) {
    console.log(sender.tab ?
                "from a content script:" + sender.tab.url :
                "from the extension");
    if (request.greeting == "hello")
//      sendResponse({farewell: "I'm backgroud,goodbye!"});
      sendResponse({farewell: "I'm backgroud,goodbye!",tips:"I'm sunqingmeng!"});
  });

var bweb = new Array();
var bname = new Array();
var bsex = new Array();
var bphone = new Array();
var bemail = new Array();

var count = 0;
